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Indebtedness (Tables)
 12 Months Ended
Dec. 31, 2014
Indebtedness [Abstract]  
Components of Indebtedness
Indebtedness consisted of the following at December 31, 2014 and 2013 (in millions):
 
December 31, 2014
 
December 31, 2013
4½% Senior term loan due 2016
$
242.0

 
$
275.0

Credit facility, expires 2019
404.4

 
360.0

57/8% Senior notes due 2021
300.0

 
300.0

Other long-term debt
145.5

 
114.0

11/4% Convertible senior subordinated notes due 2036
—

 
201.2

 
1,091.9

 
1,250.2

Less: Current portion of long-term debt
(94.3
)
 
(110.5
)
        11/4% Convertible senior subordinated notes due 2036
—

 
(201.2
)
Total indebtedness, less current portion
$
997.6

 
$
938.5
Maturities of Long-term Debt
At December 31, 2014, the aggregate scheduled maturities of long-term debt, excluding the current portion of long-term debt, are as follows (in millions):
2016
$
268.0

2017
24.5

2018
4.8

2019
384.9

Thereafter
315.4

 
$
997.6
Interest Expense Recognized on Convertible Senior Subordinated Notes
The following table sets forth the interest expense recognized for the year ended December 31, 2014 relating to the contractual interest coupon and the interest expense recognized for the years ended December 31, 2013 and 2012 relating to both the contractual interest coupon and the amortization of the discount on the liability component for the Company’s former 11/4% convertible senior subordinated notes (in millions):
 
Years Ended December 31,
 
2014
 
2013
 
2012
1¼% Convertible senior subordinated notes:
 

 
 

 
 

Interest expense
$
0.9

 
$
11.7

 
$
11.2